hcl2template/mock.go: add fields with named types
hcl2template/mock.go: add fields with named types

ricardclau/packer,grubernaut/packer,pecigonzalo/packer,mitchellh/packer,mitchellh/packer,hashicorp/packer,grubernaut/packer,ricardclau/packer,mitchellh/packer,mitchellh/packer,paulmey/packer,rnaveiras/packer,paulmey/packer,paulmey/packer,hashicorp/packer,hashicorp/packer,pecigonzalo/packer,pecigonzalo/packer,hashicorp/packer,ricardclau/packer,grubernaut/packer,grubernaut/packer,paulmey/packer,rnaveiras/packer,ricardclau/packer,grubernaut/packer,paulmey/packer,rnaveiras/packer,ricardclau/packer,rnaveiras/packer,mitchellh/packer,grubernaut/packer,rnaveiras/packer,paulmey/packer,pecigonzalo/packer,rnaveiras/packer,ricardclau/packer